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https://issues.apache.org/jira/browse/GUACAMOLE-498?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16352699#comment-16352699
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Michael Jumper commented on GUACAMOLE-498:
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Yes.
> Guacamole (RDP) on Chrome on HiDPI screen produces some artifacts
> -----------------------------------------------------------------
>
> Key: GUACAMOLE-498
> URL: https://issues.apache.org/jira/browse/GUACAMOLE-498
> Project: Guacamole
> Issue Type: Bug
> Components: RDP
> Affects Versions: 0.9.14
> Environment: Windows 10 (1709/10.0.16299.192)
> Google Chrome 64.0.3282.140
> Reporter: Vasco Freire
> Priority: Minor
> Attachments: guacamole01.png, guacamole02.png
>
>
> When using Guacamole to connect to a Windows RDP server, using Google Chrome,
> on a computer with a HiDPI screen (3200x1800, 200% scaling), some artifacts
> appear, as shown in accompanying screenshots.
> Screenshots show an application (Notepad - but other apps show this problem)
> with either horizontal or vertical 1-pixel lines between areas where the
> screen is updated.
> On the first screenshot, the mouse cursor was moved vertically, causing
> different menu entries to be selected, causing the horizontal lines. On the
> second screenshot, text was written, causing the vertical lines between the
> characters, as they appeared.
> This problem does not occur on other browsers (Firefox, MS Edge) or other
> operating systems (Chrome on Linux).
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